{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x6a9c883c12cf02110f9e668716828178cac35136b4844f8669430db21b40a057",
    "signature": "0xe5f61726af960f4f70d6e331401433fe141b1700500955683f0f44ebcd2355486da2d723491e46154b0875f5d42b48baafc97c55d7a905379a94b0f8f70c4a5c1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}